What is Geology?

• Definition
  Geology is the scientific study of the Earth, its materials, and the processes acting upon them.

• Earth’s Relationship to the Universe
  Understanding Earth’s formation, its position in the solar system, and its interactions with cosmic forces.

• Earth’s History
  Examining changes over the past 4.5 billion years, including the formation of continents, oceans, and life.

• Geological Processes
  Investigating internal processes (e.g., plate tectonics, volcanic activity) and external processes (e.g., erosion, weathering) that shape the Earth’s surface.

Earth Over Time, Source: NASA

What is Geology? (continue)

How does Geology affect our everyday lives?

• Finding valuable natural resources such as soil, water, metals, industrial minerals, and energy
• Understand the evolution of our environment and the life within it.
• Minimize our risks from Natural hazards, earthquakes, volcanoes, slope failures, and damaging storms.
• Understand the causes of the climate change.
• Recognize how our activities have altered the environment.
• Use our knowledge of Earth to understand other planets in our solar system

What Do Geologists Do?

Branches of Geology and Related Sciences

The Origin of the Earth and the Solar System